A competitor crawls under barb wire near the finish line of the Montana Spartan Race Beast at Averill's Flathead Lake Lodge near Bigfork on Saturday. (Aaric Bryan/Daily Inter Lake)
The winner of the Montana Spartan Race Beast jumps over the fire barrier at the finish line on Saturday. (Aaric Bryan/Daily Inter Lake)
A racer splashes through the mud during the Montana Spartan Race Beast at Averill's Flathead Lake Lodge near Bigfork on Saturday. (Aaric Bryan/Daily Inter Lake)
The winner of the Montana Spartan Race Beast jumps over the fire barrier at the finish line on Saturday. (Aaric Bryan/Daily Inter Lake)
A racer splashes through the mud during the Montana Spartan Race Beast at Averill's Flathead Lake Lodge near Bigfork on Saturday. (Aaric Bryan/Daily Inter Lake)
Thousands of athletes competed in the Montana Spartan Beast and Sprint races Saturday at Flathead Lake Lodge in Bigfork.